Number of cubic graphs on 2n unlabeled nodes whose connected components are vertex-transitive.

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =5a(5) =10a(6) =12a(7) =23a(8) =35a(9) =56a(10) =79a(11) =137a(12) =186a(13) =293a(14) =437a(15) =647a(16) =929a(17) =1412a(18) =1982a(19) =2929a(20) =4180a(21) =6021a(22) =8487a(23) =12263a(24) =17086a(25) =24252a(26) =33948a(27) =47617a(28) =66001a(29) =92399